Question about Philips Magnavox 51MP392H Rear Projection Television
This model uses two of the STK-392-120 CONVERGENCE IC chips. If convergence is skewed or will not adjust both of them along with any of the 6.8 ohm resistors that protect them need to be replaced.
Then you take the set into the convergence TECH mode and adjust it for picture in first the non and then in the HD mode if it has it.
You can buy the chips on Ebay for less than 13 dollars plus shipping for a pair-the resistors can be purchased at most electronics stores and are easy to check-any that are discolored or have NO reading across them need to be replaced along with both chips.
I can give you specific instructions about doing this repair. The hard part of the repair is getting at the chips to unsolder them and then replace them.
I can tell you where on Ebay to buy the chips for the best price--I am willing to help you if you have problems doing the repair---all of this presumes you know how to solder and unsolder etc.
BY THE WAY, MOST OF THE SITES ON THE NET THAT SELL KITS FOR THIS TYPE OF REPAIR ARE A WASTE OF MONEY-MOST OF THE PARTS ARE NOT NEEDED--save yourself some money and do it the right way.
If you want my instructions and have any questions, rate this solution as I do this here for FREE.
Thank you for using FIXYA.
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
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